CN209378357U - a firefighting sandbox - Google Patents

Abstract

The utility model discloses a fire-fighting sandbox, which comprises a rectangular box body, the top of the rectangular box body is provided with a cover plate corresponding to the shape of the inner cavity of the rectangular box body, and the bottom of the rectangular box body is provided with a movable box bottom. The two sides of the rectangular box body are fixedly arranged on the mobile vehicle through brackets, and the end of the mobile vehicle away from the box body is fixedly provided with a handrail, and one side of the handrail is provided with a control box; the bottom of the movable box is rotatably connected to the rectangular box Two sand unloading mechanisms for self-unloading fire-fighting sand are arranged symmetrically on both sides of the movable box bottom. The utility model has the advantages of simple structure, convenient use and various functions, and can automatically unload sand through an ingenious structure, so that multiple people can unload sand at the same time, thereby improving the fire extinguishing efficiency.

Description

a firefighting sandbox

technical field

The utility model relates to the technical field of fire-fighting equipment, in particular to a fire-fighting sandbox.

Background technique

The frequency of fires in our country is getting higher and higher every year. With the increasing frequency of fires, the role of fire sandboxes in fire disasters is increasing. Fire sandboxes usually use sand to extinguish oil fires, and are generally deployed in oil depots, canteens and other places. In order not to affect the appearance, the existing fire-fighting sandbox is fixedly arranged in a relatively hidden place. When a fire occurs, the fire sandbox is not easy to move and inconvenient to use. Moreover, due to the limited volume of the sandbox, it is impossible for many people to carry out sand shoveling operations, and the fire extinguishing efficiency is low.

Utility model content

In order to solve the above problems, the utility model provides a fire-fighting sandbox, which has a simple structure, is convenient to use, and has various functions. It can automatically unload sand through an ingenious structure, so that multiple people can unload sand at the same time, which improves the fire-fighting efficiency.

In order to achieve the above purpose, the utility model provides the following technical solutions: a fire-fighting sandbox, including a rectangular box, the top of the rectangular box is provided with a cover plate corresponding to the shape of the inner cavity of the rectangular box, the rectangular box The bottom is provided with a movable box bottom, and the two sides of the rectangular box are fixedly arranged on the mobile vehicle through brackets, and the end of the mobile vehicle away from the box body is fixedly provided with a handrail, and one side of the handrail is provided with a control box; The bottom of the movable box is rotatably connected to the bottom of the rectangular box, and two sand unloading mechanisms for self-unloading fire-fighting sand are arranged symmetrically on both sides of the movable box bottom;

The sand unloading mechanism includes a rotating shaft fixed on the outer side wall of the rectangular box, and a special-shaped connecting rod fixed on the bottom side wall of the movable box; the first driving arm and the second driving arm are integrally arranged on the rotating shaft, and the first driving arm A slider is fixedly arranged at the end of a driving arm, a fixed shaft is arranged between the slider and the rotating shaft, a cantilever rotating shaft is fixedly connected to the fixed shaft, one end of the cantilever rotating shaft is hinged on the cylinder, and the cylinder Fixed on the fixed plate of the armrest, the inner side of the special-shaped connecting rod is provided with a chute corresponding to its shape, and the slider is clamped and slid in the chute; the second driving arm is fixedly provided with a counterweight piece.

Further, a hinge seat is provided on the bottom of the side wall of the rectangular box close to the handrail, and a hinge shaft is correspondingly connected to the hinge seat, and the hinge shaft penetrates the side wall of the movable box bottom and is fixedly connected with a special-shaped connecting rod. The end of the special-shaped connecting rod is fixedly connected with the side wall at the bottom of the movable box through the connecting column.

Further, the shape of the movable box bottom is dustpan-shaped, and the edge of the opening is bent upwards.

Further, a protrusion having the same shape as the inner cavity of the rectangular box is integrally provided under the cover plate.

Further, a pull ring is provided at the upper middle position of the cover plate.

Further, the inner cavity of the mobile vehicle is a hollow structure, and four universal wheels are arranged under the mobile vehicle.

Compared with the prior art, the beneficial effect of the utility model is as follows:

1) The utility model can quickly unload the sand by setting the sand unloading mechanism, which improves the efficiency of fire-fighting with sand; When working, balance the gravity at the bottom of the movable box, so that the movable box acts as the bottom of the rectangular box, and seal the inside of the rectangular box to prevent sand from leaking out; it can also be connected to the box through a rotating shaft, and when it is opened, it will form a sand slide mouth, making it simple in structure, easy to use and versatile in function.

2) In the utility model, the sliding block is clamped and slid on the inner chute of the special-shaped connecting rod to set a limit structure, which has a simple structure and is easy to control.

3) The utility model can automatically unload sand through the sand unloading mechanism during fire extinguishing, so that multiple people can unload sand at the same time, improve the efficiency of fire extinguishing, reduce the risk of fire, and have strong practicability.

4) The bottom of the mobile vehicle of the present invention is provided with universal wheels, which reduces manpower and improves the efficiency of transporting sand to the fire scene.

Description of drawings

Fig. 1 is the front view of the utility model;

Fig. 2 is a structural schematic diagram of the sand unloading mechanism in the fire-fighting sandbox of the present invention.

In the figure: 1-rectangular box, 2-cover plate, 3-movable box bottom, 4-bracket, 5-mobile car, 6-handrail, 7-control box, 8-sand unloading mechanism, 9-hinged seat, 10- Hinged shaft, 11-connecting column, 12-pull ring, 13-universal wheel;

Among them: 8-sand unloading mechanism: 81-rotating shaft, 82-special-shaped connecting rod, 83-first driving arm, 84-second driving arm, 85-slider, 86-fixed shaft, 87-cantilever rotating shaft, 88-cylinder , 89-counterweight block, 201-protrusion.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts all belong to the scope of protection of the present utility model.

Please refer to Fig. 1 and Fig. 2, the utility model provides a kind of fire-fighting sand box, comprises rectangular box body 1, and the top of this rectangular box body 1 is provided with the cover plate 2 corresponding to the cavity shape of rectangular box body 1, and the cover plate 2. The cover is closed on the top of the rectangular box 1 to prevent the sand from getting wet or other impurities mixed into the sand, which will affect fire extinguishing during use, and the bottom of the rectangular box 1 is movably connected with a movable bottom 3. In this embodiment, the movable The bottom of the box 3 is connected to the rectangular box body 1 by rotation of the rotating shaft 81. The bottom of the rectangular box body 1 with sand can be opened through the rotation of the movable box bottom 3 to form a sand slide port to allow the sand to flow out. The position close to the cover plate 2 is fixed with a fixed seat connecting the bracket 4, one end of the bracket 4 is fixed on both sides of the rectangular box 1, and the other end is fixed on both sides of the mobile vehicle 5, and the rectangular box 1 containing sand is suspended and fixed On the mobile vehicle 5, the movable box bottom 3 of the rectangular box body 1 bottom has a certain distance from the compartment of the mobile vehicle 5, and the end of the mobile vehicle 5 away from the rectangular box body is fixedly provided with a handrail 6, and the fire box is fixed by the handrail 6. Move to the required fire place, a control box 7 is arranged on one side of the handrail 6, and a power device for controlling the work of the cylinder 88 is installed in the control box 7. The utility model adopts the cylinder, and the cylinder 88 can also be replaced with other according to the actual situation. The driving device, such as a servo motor, etc.; the bottom of the movable box 3 is rotatably connected to the bottom of the rectangular box body 1, and the two sides of the movable box bottom 3 are also symmetrically provided with two sand unloading mechanisms 8 for self-unloading fire-fighting sand. mechanism, which improves the efficiency of sand unloading and saves time and effort;

Specifically, the sand unloading mechanism 8 includes a rotating shaft 81 fixedly arranged on the outer side wall of the rectangular box body 1, and a special-shaped connecting rod 82 fixedly arranged on the side wall of the movable box bottom 3; the rotating shaft 81 is integrally provided with a first driving arm 83 and The second driving arm 84, the first driving arm 83 and the second driving arm 84 rotate around the rotating shaft 81, and the end of the first driving arm 83 is fixedly provided with a slider 85, which is located between the sliding block 85 and the rotating shaft 81 at the first Drive arm 83 is provided with fixed shaft 86, and this fixed shaft 86 is fixedly connected with cantilever rotating shaft 87, and one end of this cantilever rotating shaft 87 is hinged on the cylinder 88, and cylinder 88 is fixed on the solid fixed plate in the middle of handrail 6, and special-shaped connecting rod The inner side of 82 is provided with a chute corresponding to its shape, and the above-mentioned slider 85 is clipped and slid in the chute of the special-shaped connecting rod 82; the second driving arm 84 is fixedly provided with a counterweight 89, which is used for not moving the rectangular box body. During work, the gravity at the bottom of the movable box 3 is balanced so that the movable box 3 acts as the bottom of the rectangular box, and the inside of the rectangular box 1 is blocked to prevent the sand from leaking out when sand is loaded.

In the embodiment of the present utility model, a hinged seat 9 is provided on the bottom of the side wall near the handrail 6 on the rectangular box body 1, and the hinged seat 9 is connected with a hinged shaft 10 correspondingly, and the hinged shaft 10 runs through the side wall of the movable box bottom 3 and connects with the special shape. The rod 82 is fixedly connected, and the end of the special-shaped connecting rod 82 is fixedly connected with the side wall of the movable box bottom 3 through the connecting column 11. The special-shaped connecting rod 82 can drive the hinge shaft 10 to rotate on the hinge seat 9, so that the movable box bottom 3 is opened or closed .

In the embodiment of the present utility model, the shape of the movable box bottom 3 is a dustpan shape, and its opening edge is bent upwards to facilitate unloading sand, while the opening edge is bent upwards to prevent the sand from leaking during the movement of the fire box.

In the embodiment of the present utility model, a protrusion 201 having the same shape as the inner cavity of the rectangular box 1 is integrally provided under the cover plate 2 to prevent the cover plate 2 from slipping. And the upper middle position of the cover plate 2 is provided with a pull ring 12, which is convenient for taking the cover plate 2.

In the embodiment of the present utility model, the inner cavity of the mobile vehicle 5 is a hollow structure, which provides a safety guarantee for the movable box bottom 3 below the box body, and four universal wheels 13 are arranged below the mobile vehicle 5, which is convenient to move and can Get to the fire scene quickly.

The working process of the utility model: when a fire breaks out, the fire-fighting sandbox filled with sand is quickly moved to the fire scene through the universal wheel 13, and then the cylinder 88 is driven to work, and the piston rod in the cylinder 88 stretches out. The unfixed end of 82 is bent downward to set the limit end. When the movable box bottom 3 is in the horizontal position and serves as the bottom of the rectangular box body 1, the slider 85 is in the limit position in the chute of the special-shaped connecting rod 82, so the piston rod protrudes. When driving the cantilever rotating shaft 87 to rotate, the slide block 85 can only slide downward in the chute of the special-shaped connecting rod 82, the first driving arm 83 tilts the second driving arm 84, and the counterweight 89 tilts up and loses its horizontal position, so that it can move At the bottom of the case 3 rotates downward around the rotating shaft 81, and the sand slide mouth is opened. The sand in the fire-fighting sandbox flows out from the sand slide mouth due to its own gravity, and the outflow speed is fast, which improves the efficiency of using fire-fighting sand to extinguish fire. After the fire fighting is completed, the driving cylinder is closed, the bottom of the movable box is retracted, and the fire box is quickly removed.

In the description of the present utility model, it should be noted that, unless otherwise clearly stipulated and limited, the terms "installation", "installation" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or an optional connection. Detachable connection, or integral connection; it can be mechanical connection, electrical connection or mutual communication; it can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two components or the mutual communication of two components role relationship. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model according to specific situations.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (6)

1. A fire-fighting sandbox, comprising a rectangular box (1), is characterized in that: the top of the rectangular box (1) is provided with a cover plate (2) corresponding to the shape of the inner cavity of the rectangular box (1), The bottom of the rectangular box (1) is provided with a movable box bottom (3), and the two sides of the rectangular box (1) are fixedly arranged on the mobile vehicle (5) by the bracket (4), and the mobile vehicle (5) ) is fixedly provided with a handrail (6) at one end away from the box body, and a control box (7) is provided on one side of the handrail (6); the bottom of the movable box (3) is rotatably connected to the bottom of the rectangular box body (1) , two sand unloading mechanisms (8) for self-unloading fire-fighting sand are arranged symmetrically on both sides of the movable box bottom (3); The sand unloading mechanism (8) includes a rotating shaft (81) fixedly arranged on the outer side wall of the rectangular box (1), and a special-shaped connecting rod (82) fixedly arranged on the side wall of the movable box bottom (3); the rotating shaft (81 ) is integrally provided with a first driving arm (83) and a second driving arm (84), the end of the first driving arm (83) is fixedly provided with a slider (85), and the slider (85) is connected to A fixed shaft (86) is arranged between the rotating shafts (81), and a cantilever rotating shaft (87) is fixedly connected to the fixed shaft (86). One end of the cantilever rotating shaft (87) is hinged on the cylinder (88). The cylinder (88) is fixed on the fixed plate of the handrail (6), and the inner side of the special-shaped connecting rod (82) is provided with a chute corresponding to its shape, and the slider (85) is clamped and slid in the chute ; The second driving arm (84) is fixedly provided with a counterweight (89). 2. The fire-fighting sandbox according to claim 1, characterized in that: the bottom of the side wall near the handrail (6) is provided with a hinged seat (9) on the rectangular box (1), and the hinged seat (9) The hinge shaft (10) is correspondingly connected to the top, and the hinge shaft (10) runs through the side wall of the movable box bottom (3) and is fixedly connected with the special-shaped connecting rod (82), and the end of the special-shaped connecting rod (82) passes through the connecting column (11) is fixedly connected with the side wall at the bottom of the movable box (3). 3. The fire-fighting sandbox according to claim 2, characterized in that: the shape of the movable box bottom (3) is dustpan-shaped, and the edge of its opening is bent upwards. 4. The fire-fighting sandbox according to claim 1, characterized in that: the bottom of the cover plate (2) is integrally provided with a protrusion (201) having the same shape as the inner cavity of the rectangular box (1). 5. The fire-fighting sandbox according to claim 1, characterized in that: a pull ring (12) is provided at the upper middle position of the cover plate (2). 6. The fire-fighting sandbox according to claim 1, characterized in that: the inner cavity of the mobile vehicle (5) is a hollow structure, and four universal wheels (13) are arranged under the mobile vehicle (5).